[PATCH 1/3] drm/panel: ilitek-ili9881c: make use of prepare_prev_first

[Neil Armstrong]

On 23/11/2023 18:08, Philipp Zabel wrote:
> From: Marco Felsch <m.felsch at pengutronix.de>
> 
> The panel.prepare() call requires an initialized MIPI-DSI host, so set
> the prepare_prev_first flag to indicate that the host must be
> initialized first.
> 
> Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
> Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>
> ---
>   drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
> index 7838947a1bf3..0c911ed9141b 100644
> --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
> +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
> @@ -1094,6 +1094,8 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi)
>   		return ret;
>   	}
>   
> +	ctx->panel.prepare_prev_first = true;
> +
>   	ret = drm_panel_of_backlight(&ctx->panel);
>   	if (ret)
>   		return ret;
> 

Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>